package com.book.service;

import com.book.entity.Book;
import com.book.entity.Lend;
import com.book.entity.Student;

import java.util.List;
import java.util.Map;

public interface BookService {
    List<Lend> getLendList();
    void returnBook(String l_id);
    List<Book> getActiveBookList();
    List<Student> getStudentList();
    void addLend(int s_id,int b_id);
    Map<Book,Boolean> getAllBook();
    void deleteBook(int b_id);
    void addBook(String b_name,Double b_price);
}
